1. Axel Fontaine @axelfontaine
axelfontaine.com
Software Development Expert
business@axelfontaine.com

2. Goal Automatically deploy
a complete application
into production
multiple times a day
with zero downtime

3. Perspective

4. http://digitalcitizen.ca/2009/06/22/simpsons-profile-pics-for-facebook-and-other-applications/

7. Continuous
Delivery
http://www.flickr.com/photos/kamshots/3096111340/

10. code.flickr.com

12. stackoverflow.com

13. Prerequisites

14. DEV
Build
Small
Tests

15. DEV
Build
Small
Tests
Medium
Tests

16. DEV
Build
Small
Tests
Medium
Tests
Large
Tests

17. DEV Continuous
Integration
Build Build
Version
Control
Small Small
Tests Tests
Medium Medium
Tests Tests
Large Large
Tests Tests

18. Deployment
Automation
http://www.flickr.com/photos/soldiersmediacenter/3650607959/

19. Do
NOT
deploy
SNAPSHOTS !

20. DEV Continuous
Integration
Build Build Release
Version Artifact
Control Repository
Small Small
Tests Tests
Medium Medium
Tests Tests
Large Large
Tests Tests

21. What gets deployed?
Code Configuration DB Delta

22. backup
stop
install
start
… Code
Deployment Deployment
Script Package

23. backup
stop
install
start
… Code
Deployment Deployment
Script Package

24. Continuous Target
Integration
backup
stop
install
start
…
Release Artifact Deployment
Repository Script

25. Configuration
Application
Environment + Application Security
Environment
Configuration Deployment Code File
Server Package System

26. Environment
Detection ?
Code
Deployment
Package

27. Environment
Acceptance
Detection
Code
Auto-
Configuration

28. Continuous Target
Integration
backup
stop
install
start
…
Release Artifact Deployment
Repository Script

29. DB Delta
Code
Deployment
Package

30. Database Migrations
Code ?
? DB
Deployment
Package

31. Database Migrations
http://flywaydb.org

32. Continuous Target
Integration
backup
stop
install
start
…
Release Artifact Deployment
Repository Script

33. MailService
Registration

34. MailService
Registration

35. MailService
Registration
v2
ParcelService

36. Feature Toggles
Branch by Abstraction
MailService
Registration
ParcelService

37. Feature Toggles
Branch by Abstraction
MailService
Registration
ParcelService

38. DB

39. Memcache DB

40. State Management
Blue/Green Deployments
Memcache DB

41. Summary

42. Continuous Target
DEV
Integration backup
stop
install
start
…
Build Build Release Deployment
Version Artifact
Control Script
Repository
Small Small
Tests Tests
Medium Medium
Tests Tests
Large Large
Tests Tests

45. http://de.wikipedia.org/wiki/Datei:Yemen_Chameleon.jpg

50. One more thing

52. Axel Fontaine @axelfontaine
axelfontaine.com
Software Development Expert business@axelfontaine.com